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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> * contributor license agreements.  See the NOTICE file distributed with</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> * the License.  You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *     <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> * limitations under the License.</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">package</strong> org.apache.commons.configuration.reloading;
<a class="jxr_linenumber" name="19" href="#19">19</a>  
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertEquals;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertFalse;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertNotNull;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertNull;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertTrue;
<a class="jxr_linenumber" name="25" href="#25">25</a>  
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> java.io.ByteArrayOutputStream;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> java.io.File;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> java.io.FileWriter;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> java.net.URL;
<a class="jxr_linenumber" name="30" href="#30">30</a>  
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.configuration.ConfigurationException;
<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.configuration.PropertiesConfiguration;
<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.configuration.XMLConfiguration;
<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.Appender;
<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.Layout;
<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.Level;
<a class="jxr_linenumber" name="37" href="#37">37</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger;
<a class="jxr_linenumber" name="38" href="#38">38</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.PatternLayout;
<a class="jxr_linenumber" name="39" href="#39">39</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.WriterAppender;
<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">import</strong> org.junit.Test;
<a class="jxr_linenumber" name="41" href="#41">41</a>  
<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> * Test case for the ReloadableConfiguration class.</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> * @author Emmanuel Bourg</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> * @version $Id: TestFileChangedReloadingStrategy.java 1225906 2011-12-30 20:01:37Z oheger $</em>
<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/commons/configuration/reloading/TestFileChangedReloadingStrategy.html">TestFileChangedReloadingStrategy</a>
<a class="jxr_linenumber" name="49" href="#49">49</a>  {
<a class="jxr_linenumber" name="50" href="#50">50</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Constant for the name of a test properties file.*/</em>
<a class="jxr_linenumber" name="51" href="#51">51</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String TEST_FILE = <span class="jxr_string">"test.properties"</span>;
<a class="jxr_linenumber" name="52" href="#52">52</a>  
<a class="jxr_linenumber" name="53" href="#53">53</a>      @Test
<a class="jxr_linenumber" name="54" href="#54">54</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testAutomaticReloading() <strong class="jxr_keyword">throws</strong> Exception
<a class="jxr_linenumber" name="55" href="#55">55</a>      {
<a class="jxr_linenumber" name="56" href="#56">56</a>          <em class="jxr_comment">// create a new configuration</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>          File file = <strong class="jxr_keyword">new</strong> File(<span class="jxr_string">"target/testReload.properties"</span>);
<a class="jxr_linenumber" name="58" href="#58">58</a>  
<a class="jxr_linenumber" name="59" href="#59">59</a>          <strong class="jxr_keyword">if</strong> (file.exists())
<a class="jxr_linenumber" name="60" href="#60">60</a>          {
<a class="jxr_linenumber" name="61" href="#61">61</a>              file.delete();
<a class="jxr_linenumber" name="62" href="#62">62</a>          }
<a class="jxr_linenumber" name="63" href="#63">63</a>  
<a class="jxr_linenumber" name="64" href="#64">64</a>          <em class="jxr_comment">// create the configuration file</em>
<a class="jxr_linenumber" name="65" href="#65">65</a>          FileWriter out = <strong class="jxr_keyword">new</strong> FileWriter(file);
<a class="jxr_linenumber" name="66" href="#66">66</a>          out.write(<span class="jxr_string">"string=value1"</span>);
<a class="jxr_linenumber" name="67" href="#67">67</a>          out.flush();
<a class="jxr_linenumber" name="68" href="#68">68</a>          out.close();
<a class="jxr_linenumber" name="69" href="#69">69</a>  
<a class="jxr_linenumber" name="70" href="#70">70</a>          <em class="jxr_comment">// load the configuration</em>
<a class="jxr_linenumber" name="71" href="#71">71</a>          PropertiesConfiguration config = <strong class="jxr_keyword">new</strong> PropertiesConfiguration(<span class="jxr_string">"target/testReload.properties"</span>);
<a class="jxr_linenumber" name="72" href="#72">72</a>          FileChangedReloadingStrategy strategy = <strong class="jxr_keyword">new</strong> FileChangedReloadingStrategy();
<a class="jxr_linenumber" name="73" href="#73">73</a>          strategy.setRefreshDelay(500);
<a class="jxr_linenumber" name="74" href="#74">74</a>          config.setReloadingStrategy(strategy);
<a class="jxr_linenumber" name="75" href="#75">75</a>          assertEquals(<span class="jxr_string">"Initial value"</span>, <span class="jxr_string">"value1"</span>, config.getString(<span class="jxr_string">"string"</span>));
<a class="jxr_linenumber" name="76" href="#76">76</a>  
<a class="jxr_linenumber" name="77" href="#77">77</a>          Thread.sleep(2000);
<a class="jxr_linenumber" name="78" href="#78">78</a>  
<a class="jxr_linenumber" name="79" href="#79">79</a>          <em class="jxr_comment">// change the file</em>
<a class="jxr_linenumber" name="80" href="#80">80</a>          out = <strong class="jxr_keyword">new</strong> FileWriter(file);
<a class="jxr_linenumber" name="81" href="#81">81</a>          out.write(<span class="jxr_string">"string=value2"</span>);
<a class="jxr_linenumber" name="82" href="#82">82</a>          out.flush();
<a class="jxr_linenumber" name="83" href="#83">83</a>          out.close();
<a class="jxr_linenumber" name="84" href="#84">84</a>  
<a class="jxr_linenumber" name="85" href="#85">85</a>          <em class="jxr_comment">// test the automatic reloading</em>
<a class="jxr_linenumber" name="86" href="#86">86</a>          assertEquals(<span class="jxr_string">"Modified value with enabled reloading"</span>, <span class="jxr_string">"value2"</span>, config.getString(<span class="jxr_string">"string"</span>));
<a class="jxr_linenumber" name="87" href="#87">87</a>      }
<a class="jxr_linenumber" name="88" href="#88">88</a>  
<a class="jxr_linenumber" name="89" href="#89">89</a>      @Test
<a class="jxr_linenumber" name="90" href="#90">90</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testNewFileReloading() <strong class="jxr_keyword">throws</strong> Exception
<a class="jxr_linenumber" name="91" href="#91">91</a>      {
<a class="jxr_linenumber" name="92" href="#92">92</a>          <em class="jxr_comment">// create a new configuration</em>
<a class="jxr_linenumber" name="93" href="#93">93</a>          File file = <strong class="jxr_keyword">new</strong> File(<span class="jxr_string">"target/testReload.properties"</span>);
<a class="jxr_linenumber" name="94" href="#94">94</a>  
<a class="jxr_linenumber" name="95" href="#95">95</a>          <strong class="jxr_keyword">if</strong> (file.exists())
<a class="jxr_linenumber" name="96" href="#96">96</a>          {
<a class="jxr_linenumber" name="97" href="#97">97</a>              file.delete();
<a class="jxr_linenumber" name="98" href="#98">98</a>          }
<a class="jxr_linenumber" name="99" href="#99">99</a>  
<a class="jxr_linenumber" name="100" href="#100">100</a>         PropertiesConfiguration config = <strong class="jxr_keyword">new</strong> PropertiesConfiguration();
<a class="jxr_linenumber" name="101" href="#101">101</a>         config.setFile(file);
<a class="jxr_linenumber" name="102" href="#102">102</a>         FileChangedReloadingStrategy strategy = <strong class="jxr_keyword">new</strong> FileChangedReloadingStrategy();
<a class="jxr_linenumber" name="103" href="#103">103</a>         strategy.setRefreshDelay(500);
<a class="jxr_linenumber" name="104" href="#104">104</a>         config.setReloadingStrategy(strategy);
<a class="jxr_linenumber" name="105" href="#105">105</a> 
<a class="jxr_linenumber" name="106" href="#106">106</a>         assertNull(<span class="jxr_string">"Initial value"</span>, config.getString(<span class="jxr_string">"string"</span>));
<a class="jxr_linenumber" name="107" href="#107">107</a> 
<a class="jxr_linenumber" name="108" href="#108">108</a>         <em class="jxr_comment">// change the file</em>
<a class="jxr_linenumber" name="109" href="#109">109</a>         FileWriter out = <strong class="jxr_keyword">new</strong> FileWriter(file);
<a class="jxr_linenumber" name="110" href="#110">110</a>         out.write(<span class="jxr_string">"string=value1"</span>);
<a class="jxr_linenumber" name="111" href="#111">111</a>         out.flush();
<a class="jxr_linenumber" name="112" href="#112">112</a>         out.close();
<a class="jxr_linenumber" name="113" href="#113">113</a> 
<a class="jxr_linenumber" name="114" href="#114">114</a>         Thread.sleep(2000);
<a class="jxr_linenumber" name="115" href="#115">115</a> 
<a class="jxr_linenumber" name="116" href="#116">116</a>         <em class="jxr_comment">// test the automatic reloading</em>
<a class="jxr_linenumber" name="117" href="#117">117</a>         assertEquals(<span class="jxr_string">"Modified value with enabled reloading"</span>, <span class="jxr_string">"value1"</span>, config.getString(<span class="jxr_string">"string"</span>));
<a class="jxr_linenumber" name="118" href="#118">118</a>     }
<a class="jxr_linenumber" name="119" href="#119">119</a> 
<a class="jxr_linenumber" name="120" href="#120">120</a>     @Test
<a class="jxr_linenumber" name="121" href="#121">121</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testGetRefreshDelay()
<a class="jxr_linenumber" name="122" href="#122">122</a>     {
<a class="jxr_linenumber" name="123" href="#123">123</a>         FileChangedReloadingStrategy strategy = <strong class="jxr_keyword">new</strong> FileChangedReloadingStrategy();
<a class="jxr_linenumber" name="124" href="#124">124</a>         strategy.setRefreshDelay(500);
<a class="jxr_linenumber" name="125" href="#125">125</a>         assertEquals(<span class="jxr_string">"refresh delay"</span>, 500, strategy.getRefreshDelay());
<a class="jxr_linenumber" name="126" href="#126">126</a>     }
<a class="jxr_linenumber" name="127" href="#127">127</a> 
<a class="jxr_linenumber" name="128" href="#128">128</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment">     * Tests if a file from the classpath can be monitored.</em>
<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="131" href="#131">131</a>     @Test
<a class="jxr_linenumber" name="132" href="#132">132</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testFromClassPath() <strong class="jxr_keyword">throws</strong> Exception
<a class="jxr_linenumber" name="133" href="#133">133</a>     {
<a class="jxr_linenumber" name="134" href="#134">134</a>         PropertiesConfiguration config = <strong class="jxr_keyword">new</strong> PropertiesConfiguration();
<a class="jxr_linenumber" name="135" href="#135">135</a>         config.setFileName(TEST_FILE);
<a class="jxr_linenumber" name="136" href="#136">136</a>         config.load();
<a class="jxr_linenumber" name="137" href="#137">137</a>         assertTrue(config.getBoolean(<span class="jxr_string">"configuration.loaded"</span>));
<a class="jxr_linenumber" name="138" href="#138">138</a>         FileChangedReloadingStrategy strategy = <strong class="jxr_keyword">new</strong> FileChangedReloadingStrategy();
<a class="jxr_linenumber" name="139" href="#139">139</a>         config.setReloadingStrategy(strategy);
<a class="jxr_linenumber" name="140" href="#140">140</a>         assertEquals(config.getURL().toExternalForm(), strategy.getFile().toURI().toURL().toExternalForm());
<a class="jxr_linenumber" name="141" href="#141">141</a>     }
<a class="jxr_linenumber" name="142" href="#142">142</a> 
<a class="jxr_linenumber" name="143" href="#143">143</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="144" href="#144">144</a> <em class="jxr_javadoccomment">     * Tests to watch a configuration file in a jar. In this case the jar file</em>
<a class="jxr_linenumber" name="145" href="#145">145</a> <em class="jxr_javadoccomment">     * itself should be monitored.</em>
<a class="jxr_linenumber" name="146" href="#146">146</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="147" href="#147">147</a>     @Test
<a class="jxr_linenumber" name="148" href="#148">148</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testFromJar() <strong class="jxr_keyword">throws</strong> Exception
<a class="jxr_linenumber" name="149" href="#149">149</a>     {
<a class="jxr_linenumber" name="150" href="#150">150</a>         XMLConfiguration config = <strong class="jxr_keyword">new</strong> XMLConfiguration();
<a class="jxr_linenumber" name="151" href="#151">151</a>         <em class="jxr_comment">// use some jar: URL</em>
<a class="jxr_linenumber" name="152" href="#152">152</a>         config.setURL(<strong class="jxr_keyword">new</strong> URL(<span class="jxr_string">"jar:"</span> + <strong class="jxr_keyword">new</strong> File(<span class="jxr_string">"conf/resources.jar"</span>).getAbsoluteFile().toURI().toURL() + <span class="jxr_string">"!/test-jar.xml"</span>));
<a class="jxr_linenumber" name="153" href="#153">153</a>         FileChangedReloadingStrategy strategy = <strong class="jxr_keyword">new</strong> FileChangedReloadingStrategy();
<a class="jxr_linenumber" name="154" href="#154">154</a>         config.setReloadingStrategy(strategy);
<a class="jxr_linenumber" name="155" href="#155">155</a>         File file = strategy.getFile();
<a class="jxr_linenumber" name="156" href="#156">156</a>         assertNotNull(<span class="jxr_string">"Strategy's file is null"</span>, file);
<a class="jxr_linenumber" name="157" href="#157">157</a>         assertEquals(<span class="jxr_string">"Strategy does not monitor the jar file"</span>, <span class="jxr_string">"resources.jar"</span>, file.getName());
<a class="jxr_linenumber" name="158" href="#158">158</a>     }
<a class="jxr_linenumber" name="159" href="#159">159</a> 
<a class="jxr_linenumber" name="160" href="#160">160</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="161" href="#161">161</a> <em class="jxr_javadoccomment">     * Tests calling reloadingRequired() multiple times before a reload actually</em>
<a class="jxr_linenumber" name="162" href="#162">162</a> <em class="jxr_javadoccomment">     * happens. This test is related to CONFIGURATION-302.</em>
<a class="jxr_linenumber" name="163" href="#163">163</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="164" href="#164">164</a>     @Test
<a class="jxr_linenumber" name="165" href="#165">165</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testReloadingRequiredMultipleTimes()
<a class="jxr_linenumber" name="166" href="#166">166</a>             <strong class="jxr_keyword">throws</strong> ConfigurationException
<a class="jxr_linenumber" name="167" href="#167">167</a>     {
<a class="jxr_linenumber" name="168" href="#168">168</a>         FileChangedReloadingStrategy strategy = <strong class="jxr_keyword">new</strong> FileChangedReloadingStrategy()
<a class="jxr_linenumber" name="169" href="#169">169</a>         {
<a class="jxr_linenumber" name="170" href="#170">170</a>             @Override
<a class="jxr_linenumber" name="171" href="#171">171</a>             <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> hasChanged()
<a class="jxr_linenumber" name="172" href="#172">172</a>             {
<a class="jxr_linenumber" name="173" href="#173">173</a>                 <em class="jxr_comment">// signal always a change</em>
<a class="jxr_linenumber" name="174" href="#174">174</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="175" href="#175">175</a>             }
<a class="jxr_linenumber" name="176" href="#176">176</a>         };
<a class="jxr_linenumber" name="177" href="#177">177</a>         strategy.setRefreshDelay(100000);
<a class="jxr_linenumber" name="178" href="#178">178</a>         PropertiesConfiguration config = <strong class="jxr_keyword">new</strong> PropertiesConfiguration(TEST_FILE);
<a class="jxr_linenumber" name="179" href="#179">179</a>         config.setReloadingStrategy(strategy);
<a class="jxr_linenumber" name="180" href="#180">180</a>         assertTrue(<span class="jxr_string">"Reloading not required"</span>, strategy.reloadingRequired());
<a class="jxr_linenumber" name="181" href="#181">181</a>         assertTrue(<span class="jxr_string">"Reloading no more required"</span>, strategy.reloadingRequired());
<a class="jxr_linenumber" name="182" href="#182">182</a>         strategy.reloadingPerformed();
<a class="jxr_linenumber" name="183" href="#183">183</a>         assertFalse(<span class="jxr_string">"Reloading still required"</span>, strategy.reloadingRequired());
<a class="jxr_linenumber" name="184" href="#184">184</a>     }
<a class="jxr_linenumber" name="185" href="#185">185</a> 
<a class="jxr_linenumber" name="186" href="#186">186</a>     @Test
<a class="jxr_linenumber" name="187" href="#187">187</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testFileDeletion() <strong class="jxr_keyword">throws</strong> Exception
<a class="jxr_linenumber" name="188" href="#188">188</a>     {
<a class="jxr_linenumber" name="189" href="#189">189</a>         Logger logger = Logger.getLogger(FileChangedReloadingStrategy.<strong class="jxr_keyword">class</strong>.getName());
<a class="jxr_linenumber" name="190" href="#190">190</a>         Layout layout = <strong class="jxr_keyword">new</strong> PatternLayout(<span class="jxr_string">"%p - %m%n"</span>);
<a class="jxr_linenumber" name="191" href="#191">191</a>         ByteArrayOutputStream os = <strong class="jxr_keyword">new</strong> ByteArrayOutputStream();
<a class="jxr_linenumber" name="192" href="#192">192</a>         Appender appender = <strong class="jxr_keyword">new</strong> WriterAppender(layout, os);
<a class="jxr_linenumber" name="193" href="#193">193</a>         logger.addAppender(appender);
<a class="jxr_linenumber" name="194" href="#194">194</a>         logger.setLevel(Level.WARN);
<a class="jxr_linenumber" name="195" href="#195">195</a>         logger.setAdditivity(false);
<a class="jxr_linenumber" name="196" href="#196">196</a>         <em class="jxr_comment">// create a new configuration</em>
<a class="jxr_linenumber" name="197" href="#197">197</a>         File file = <strong class="jxr_keyword">new</strong> File(<span class="jxr_string">"target/testReload.properties"</span>);
<a class="jxr_linenumber" name="198" href="#198">198</a> 
<a class="jxr_linenumber" name="199" href="#199">199</a>         <strong class="jxr_keyword">if</strong> (file.exists())
<a class="jxr_linenumber" name="200" href="#200">200</a>         {
<a class="jxr_linenumber" name="201" href="#201">201</a>             file.delete();
<a class="jxr_linenumber" name="202" href="#202">202</a>         }
<a class="jxr_linenumber" name="203" href="#203">203</a> 
<a class="jxr_linenumber" name="204" href="#204">204</a>         <em class="jxr_comment">// create the configuration file</em>
<a class="jxr_linenumber" name="205" href="#205">205</a>         FileWriter out = <strong class="jxr_keyword">new</strong> FileWriter(file);
<a class="jxr_linenumber" name="206" href="#206">206</a>         out.write(<span class="jxr_string">"string=value1"</span>);
<a class="jxr_linenumber" name="207" href="#207">207</a>         out.flush();
<a class="jxr_linenumber" name="208" href="#208">208</a>         out.close();
<a class="jxr_linenumber" name="209" href="#209">209</a> 
<a class="jxr_linenumber" name="210" href="#210">210</a>         <em class="jxr_comment">// load the configuration</em>
<a class="jxr_linenumber" name="211" href="#211">211</a>         PropertiesConfiguration config = <strong class="jxr_keyword">new</strong> PropertiesConfiguration(<span class="jxr_string">"target/testReload.properties"</span>);
<a class="jxr_linenumber" name="212" href="#212">212</a>         FileChangedReloadingStrategy strategy = <strong class="jxr_keyword">new</strong> FileChangedReloadingStrategy();
<a class="jxr_linenumber" name="213" href="#213">213</a>         strategy.setRefreshDelay(500);
<a class="jxr_linenumber" name="214" href="#214">214</a>         config.setReloadingStrategy(strategy);
<a class="jxr_linenumber" name="215" href="#215">215</a>         assertEquals(<span class="jxr_string">"Initial value"</span>, <span class="jxr_string">"value1"</span>, config.getString(<span class="jxr_string">"string"</span>));
<a class="jxr_linenumber" name="216" href="#216">216</a> 
<a class="jxr_linenumber" name="217" href="#217">217</a>         Thread.sleep(2000);
<a class="jxr_linenumber" name="218" href="#218">218</a> 
<a class="jxr_linenumber" name="219" href="#219">219</a>         <em class="jxr_comment">// Delete the file.</em>
<a class="jxr_linenumber" name="220" href="#220">220</a>         file.delete();
<a class="jxr_linenumber" name="221" href="#221">221</a>         <em class="jxr_comment">//Old value should still be returned.</em>
<a class="jxr_linenumber" name="222" href="#222">222</a>         assertEquals(<span class="jxr_string">"Initial value"</span>, <span class="jxr_string">"value1"</span>, config.getString(<span class="jxr_string">"string"</span>));
<a class="jxr_linenumber" name="223" href="#223">223</a>         logger.removeAppender(appender);
<a class="jxr_linenumber" name="224" href="#224">224</a>         String str = os.toString();
<a class="jxr_linenumber" name="225" href="#225">225</a>         <em class="jxr_comment">//System.out.println(str);</em>
<a class="jxr_linenumber" name="226" href="#226">226</a>         assertTrue(<span class="jxr_string">"No error was logged"</span>, str != <strong class="jxr_keyword">null</strong> &amp;&amp; str.length() &gt; 0);
<a class="jxr_linenumber" name="227" href="#227">227</a>     }
<a class="jxr_linenumber" name="228" href="#228">228</a> }
</pre>
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